why no left turn at intersection

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Re: why no left turn at intersection

Postby CBenson » Fri Sep 27, 2013 11:07 am

Not sure. They might have been rerouted while travelling south on Vicksburg. Waze might be just going around the block to perform a U-turn from Inwood. I suspect you're reading too much into the data provided to discern that the user starts out on the westside of a business on Vickburg. Waze doesn't discern which side of the street you are on and give a turn instruction to start the route. I find the initial turn icon on the UR routes to frequently be misleading.

There are some soft turns in the area that you might want to eliminate just to make sure they aren't contributing to any problem.
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Re: why no left turn at intersection

Postby CBenson » Sat Oct 12, 2013 1:08 am

Its been a little while since anyone complained about this issue. So I thought I'd just note that it has not gone away.
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Re: why no left turn at intersection

Postby CBenson » Sun Oct 13, 2013 11:25 pm

dlmayhugh just noted one here.
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Re: why no left turn at intersection

Postby CBenson » Tue Oct 22, 2013 1:15 am

Here is another:
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So I've been testing these in the new livemap when I come across them. I usually run through the various times to see when waze will route like this. What I'm finding is that if I try the route enough times, I usually get the live map to take the U route. However, its not consistent for any particular time. For example, currently if run this route it will show the U route about a third of the time for 14:00, but the rest of the time it just shows the left.

Why do I get different routes when I ask for the same route at the same time "earlier today?" If I just keep clicking find routes it switches back forth seeming at random.
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Re: why no left turn at intersection

Postby AlanOfTheBerg » Tue Oct 22, 2013 5:04 am

CBenson wrote:Why do I get different routes when I ask for the same route at the same time "earlier today?" If I just keep clicking find routes it switches back forth seeming at random.

Could they be doing what I've jokingly suggested in the past and doing some randomizing/round-robin algorithm to simply spread traffic around relatively similar routes?
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Re: why no left turn at intersection

Postby CBenson » Tue Oct 22, 2013 10:17 am

It seems that way! I wish there was a better explanation.
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Re: why no left turn at intersection

Postby bz2012 » Fri Nov 01, 2013 12:02 pm

CBenson wrote:It seems that way! I wish there was a better explanation.


Perhaps the routing server has developed sentience and is "just messin' with us".
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Re: why no left turn at intersection

Postby CBenson » Sat Nov 23, 2013 11:21 am

So I experienced one of these firsthand recently which I raised regarding other issues in this thread.
Also Tonestertm notes one in this post.
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Re: why no left turn at intersection

Postby CBenson » Sun Nov 24, 2013 10:29 pm

frf79 provides another example of this routing in this thread.
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Re: why no left turn at intersection

Postby frf79 » Mon Nov 25, 2013 9:28 am

Found another one today. This is a pretty complex intersection. Instead of directing the driver to the 1960 service rd to turn left on to I-45 it directs them under I-45 and uturn them back to I-45. It looks like the issue is at the uturn itself but I am not sure. Let me know what you all think. I cannot edit it due it being lock at rank 5.

https://www.waze.com/editor/?lon=-95.42679&lat=30.02198&zoom=5&layers=TBFTFFTTTTFTTFTTTTTTTTTTT&env=usa
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